EDIT

public class MoveDescriptionElementsHandler extends AbstractHandler implements IPostOperationEnabled{

	private UUID newAcceptedTaxonNodeUuid;

	private TaxonNameEditor editor;

	@Override

	public Object execute(ExecutionEvent event) throws ExecutionException {

    						event.getCommand().getName(), EditorUtil.getUndoContext(),

    						targetTaxon.getUuid(), moveMessage, elements, false, this);

    				//CdmStore.getService(ITaxonService.class).saveOrUpdate(targetTaxon);

		return null;

	}

	/** {@inheritDoc} */

	@Override

    public boolean postOperation(CdmBase objectAffectedByOperation) {

	@Override

	public boolean onComplete() {

		return false;

	}